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(N'o Model.)

R. B. BROWN..-

' y WIRE MAT PoR `OIL PREssBs- No. 316,874. Patented Apr. 28, 1885.

N4 PEYERS. Fhumumngmphen wnshingmn. D. C.

PATENT OFFICE..

ROBERT B. BROWN, OF S'I. LOUIS, MISSOURI.

WIRE MAT FoP. 'OIL-PRESSES.

SPECIFICATION forming part of Letters Patent No. 316,874, dated April 28, 1885.

Application filed March 20, 1885. (No model.)

To @ZZ whom it may concern: l

Be it known that I., ROBERT B. BROWN, of the city of St. Louis, in the State of Missouri, have invented a certain new and useful Improvement in Wire Mats for Oil-Presses, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification.

Figure 1 is a transverse section at l 1, Fig. 2, showing two of the mats in position with a bag containing an oil-cake between them. Fig. 2 is a top view with parts removed, showing the different layers of which the mat is composed. Fig.3 is an enlarged section at 3 3, Fig. 2. Fig. 4. is auV enlarged transverse detail section at l 1, Fig. 2.

This is an improvement on the mats which have a plate of metal with wire-cloth interposed between the. metal plate and the bag containing the meal to be pressed. In practice it is found that the oil gathers in the wirecloth,`and when the pressure is removed the oil is absorbed to some extent by the oil-cake. 'Io avoid this loss of oil, my improvement consists in putting between sheets of wirecloth wool cloth or any soft substance that will act as an absorbent of the oil, and by holding it when lieved, will prevent it going back into the oilcake.

Ais a'metal plate to whose sides are secured two or more layers, B B', of wire-cloth.

pressure on the press is re- Between the layers of wire-cloth I place a layer or layers, O, of absorbent material. I have used for this purpose woolen cloth and canvas, but do not confine myself to any special material, so that it will absorb oil and retain it when relieved from pressure. The" mathas side ribs or edges, D, which are formed of strips of wire-cloth, and which may contain strips of absorbent material for the same purpose as the absorbent material used in the body.

I have described the facing B B C as composed of two layers of wire-cloth with a single layer of the absorbent C between them, but I do not conne myself to this arrangement nor to the described number oflayers.

The edges of the sheets of wire-cloth B B are secured to the metal plate, holes being made near the edge of the plate for this purpose.

E are bolts through the edges of the mat from top to bottom, and through bindingstraps F, in which they are riveted.

G is the oil-cake.

I claim as my invention- A mat for an oil-press having a stiff bodyplate with a facing composed of one or more layers each of wire-cloth or fabric and absorbent material.

ROBERT B. BROWN.

Witnesses:

SAML. KNIGHT, GEO. H. KNIGHT. 

